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Items for "photoyellowing"

Brightness stabilisation of bleached high-yield pulps by novel sulfur-containing inhibitors

The stabilisation of a peroxide-bleached chemothermomechanical pulp against light-induced yellowing by novel sulfur-containing radical-scavenging compounds was investigated...

Keywords: bleached thermomechanical pulps, chemithermomechanical pulp, coating, combinations, CTMP, Inhibitors, photoyellowing, radical scavenging, thiols, UV screens

05/2006 | Holzforschung, Walter de Gruyter
Application of UV-Vis and resonance Raman spectroscopy to study bleaching and photoyellowing of thermomechanical pulps

The chemistry of thermomechanical pulp bleaching and brightness reversion was studied...

Keywords: bleaching, coniferyl aldehyde, fluorescence rejection, Kerr gate, photoyellowing, quinone, resonance Raman spectroscopy, thermomechanical pulp, TMP, UV-Vis reflectance spectroscopy

05/2006 | Holzforschung, Walter de Gruyter